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“We could send these ‘bugged’ bugs into dangerous or enclosed environments where we would not want humans to go.”

The “hybrid insect” technology is being designed by a team of electrical and computer engineers at the University of Michigan in the United States.

The project is funded by the US Defence Advanced Research Projects Agency (DARPA) and is entitled the Hybrid Insect Micro Electromechanical Systems program.

Researchers have already developed a device able to generate power from the wing motion of a Green June beetle during tethered flight.

By mounting a miniature generator on each wing of an insect, scientists expect to be able to achieve enough power to operate onboard cameras or microphones – allowing the bug to “gather vital information from hazardous environments”.

A recent report by the team states that their “final prototype will be mounted on a live beetle, and tested during its untethered flight” next year.

Prof Najafi added: “One of the main constraints in the development of Micro-Air-Vehicles (MAVs) is the limited weight and volume reserved on the device for a power supply.

“Energy scavenging from an insect’s high frequency body movements hold great advantages such as unlimited source of power over the insect’s lifetime, and no need for recharging.”